<!DOCTYPE html>
<html>
<head>
	<title></title>
	<script type="text/javascript">
		var num1=prompt('请输入一个数值');
		var num2=prompt('请输入第二个数值');
		// num1 +=num2;
		// num2=num1-num2;
		// num1 -=num2;
		num1=num1*num2;
		num2=num1/num2;
		num1=num1/num2;
		console.log(num1);
		console.log(num2);
	</script>
</head>
<body>

</body>
</html>